请求信息十六进制显示&请求信息AXCLL码显示

请求信息十六进制显示

package web;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class MyHttpServer {

    private static int count = 1;
    private static char arr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};

    public static void main(String[] args) throws IOException {
        byte b = 0x3f;
        byte2(b);
        ServerSocket server = new ServerSocket(8080);
        System.out.println("服务器已经启动，监听端口在8080...");
        while (true) {
            Socket socket = server.accept();
            InputStream is = socket.getInputStream();
            OutputStream os = socket.getOutputStream();
            byte[] buf = new byte[1024*1024];

            new Thread(new Runnable() {
                @Override
                public void run() {
                    int len = 0;
                    try {
                        len = is.read(buf);
                        if (len == -1) return;
                        System.out.println("读到的字节数量：" + len);
                        String s1 = bytes2(buf, len);
                        System.out.println(s1);
                        String s = new String(buf, 0, len);
                        System.out.println(s);
                        os.write("HTTP/1.1 200 OK\r\n".getBytes());
                        os.write("Content-Type: text/plain\r\n".getBytes());
                        os.write("\r\n".getBytes());
                        os.write((" "+count).getBytes());
                        count++;
                        os.flush();
                    } catch (IOException e) {
                        throw new RuntimeException(e);
                    }finally {
                        if (socket != null){
                            try {
                                socket.close();
                            } catch (IOException e) {
                                throw new RuntimeException(e);
                            }
                        }
                    }
                }
            }).start();
        }
    }
    private static String bytes2(byte[] buf,int len){
        StringBuffer sBuffer = new StringBuffer();
        int cnt = 0;
        for(int i=0;i<len;i++){
            sBuffer.append(byte2(buf[i]) + " ");
            cnt++;
            if (cnt % 8 == 0) sBuffer.append(" ");
            if (cnt % 16 == 0) sBuffer.append("\r\n");
        }
        return sBuffer.toString();
    }
    private static String byte2(byte bt){
        int lo = bt & 0b00001111;
        int hi = (bt & 0b11110000) >> 4;//位移运算符 移四位，得到四个1
        char clo = arr[lo];
        char chi = arr[hi];
        return chi+ "" + clo;
    }
}

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请求信息AXCLL码显示

package web;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class MyHttpServer {

    private static int count = 1;
    private static char arr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};

    public static void main(String[] args) throws IOException {
        byte b = 0x3f;
        byte2(b);
        ServerSocket server = new ServerSocket(8080);
        System.out.println("服务器已经启动，监听端口在8080...");
        while (true) {
            Socket socket = server.accept();
            InputStream is = socket.getInputStream();
            OutputStream os = socket.getOutputStream();
            byte[] buf = new byte[1024*1024];

            new Thread(new Runnable() {
                @Override
                public void run() {
                    int len = 0;
                    try {
                        len = is.read(buf);
                        if (len == -1) return;
                        System.out.println("读到的字节数量：" + len);
                        String s1 = bytes2(buf, len);
                        System.out.println(s1);
                        String s = new String(buf, 0, len);
                        System.out.println(s);
                        os.write("HTTP/1.1 200 OK\r\n".getBytes());
                        os.write("Content-Type: text/plain\r\n".getBytes());
                        os.write("\r\n".getBytes());
                        os.write((" "+count).getBytes());
                        count++;
                        os.flush();
                    } catch (IOException e) {
                        throw new RuntimeException(e);
                    }finally {
                        if (socket != null){
                            try {
                                socket.close();
                            } catch (IOException e) {
                                throw new RuntimeException(e);
                            }
                        }
                    }
                }
            }).start();
        }
    }
    private static String bytes2(byte[] buf,int len){
        StringBuffer sBuffer = new StringBuffer();
        StringBuffer sb1 = new StringBuffer();
        StringBuffer sb2 = new StringBuffer();
        int cnt = 0;
        for(int i=0;i<len;i++){
            sb1.append(byte2(buf[i]) + " ");
            if (buf[i] >= 0x20 && buf[i] <= 0x7e){
                sb2.append((char)buf[i]);
            }else {
                sb2.append(".");
            }
            cnt++;
            if (cnt % 8 == 0) sb1.append(" ");
            if (cnt % 16 == 0) {
                sBuffer.append(sb1).append(sb2).append("\r\n");
                 sb1 = new StringBuffer();
                 sb2 = new StringBuffer();
                cnt = 0;
            }
        }
        if (cnt != 0) sBuffer.append(sb1).append("  ").append(sb2).append("\r\n");
        return sBuffer.toString();
    }
    private static String byte2(byte bt){
        int lo = bt & 0b00001111;
        int hi = (bt & 0b11110000) >> 4;//位移运算符 移四位，得到四个1
        char clo = arr[lo];
        char chi = arr[hi];
        return chi+ "" + clo;
    }
}

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差不多一样即可